#ifndef USERDAO_H
#define USERDAO_H
#include <vector>
#include "book.h"
#include "reader.h"

using namespace std;

class UserDao
{
public:
	virtual void load(vector<Reader>& readers) = 0;
	virtual void save(vector<Reader>& readers) = 0;	
};

#endif//USERDAO_H
